149668027 has 2 divisors, whose sum is σ = 149668028. Its totient is φ = 149668026.

The previous prime is 149668021. The next prime is 149668039. The reversal of 149668027 is 720866941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149668027 - 2³ = 149668019 is a prime.

It is equal to p_8426788 and since 149668027 and 8426788 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (149668021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74834013 + 74834014.

It is an arithmetic number, because the mean of its divisors is an integer number (74834014).

Almost surely, 2^149668027 is an apocalyptic number.

149668027 is a deficient number, since it is larger than the sum of its proper divisors (1).

149668027 is an equidigital number, since it uses as much as digits as its factorization.

149668027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 149668027 is about 12233.8884660602. Note that the first 3 decimals coincide. The cubic root of 149668027 is about 530.9370240121.

The spelling of 149668027 in words is "one hundred forty-nine million, six hundred sixty-eight thousand, twenty-seven".